-
400
Democrits (400 B.C.
Democritis is a greek philospher that propsed that small particles called atoms make up all of matter -
John Dalton
a Brittish scientist reintroduces the concept of atoms and then finds evedance to support his idea of atoms. -
James Marshall
strikes gold and starts the California gold rush -
Ernest Rutherford
discovered the positively chardged nucleus of the atom and was a physicist from New Zealand -
Bohr
Niels Bohr, a danish scientist who worked with Rutherford and suggested that electrons traveled around the nuclueas in definite paths -
MODERN ATOMIC THEORY
Bohr's model of the atom is important because it introduced the concept of the quantum in explaining atomic properties -
Modern atomic theory
Bohr's model of the atom is important because it introduced the concept of the quantum in explaining atomic properties
